/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:31:22,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:31:22,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:31:22,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:31:22,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:31:22,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:31:22,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:31:22,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:31:22,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:31:22,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:31:22,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:31:22,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:31:22,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:31:22,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:31:22,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:31:22,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:31:22,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:31:22,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:31:22,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:31:22,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:31:22,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:31:22,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:31:22,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:31:22,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:31:22,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:31:22,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:31:22,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:31:22,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:31:22,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:31:22,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:31:22,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:31:22,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:31:22,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:31:22,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:31:22,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:31:22,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:31:22,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:31:22,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:31:22,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:31:22,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:31:22,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:31:22,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:31:22,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:31:22,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:31:22,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:31:22,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:31:22,452 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:31:22,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:31:22,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:31:22,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:31:22,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:31:22,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:31:22,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:31:22,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:31:22,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:31:22,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:31:22,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:31:22,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:31:22,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:31:22,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:31:22,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:31:22,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:31:22,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:31:22,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:31:22,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:31:22,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:31:22,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:31:22,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:31:22,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:31:22,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:31:22,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:31:22,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:31:22,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:31:22,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:31:22,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:31:22,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:31:22,924 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:31:22,925 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 05:31:23,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbd8f86d9/1b821b64289448cc828b9adafe7eb040/FLAG03e1c6f00 [2020-09-25 05:31:23,586 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:31:23,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 05:31:23,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbd8f86d9/1b821b64289448cc828b9adafe7eb040/FLAG03e1c6f00 [2020-09-25 05:31:23,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbd8f86d9/1b821b64289448cc828b9adafe7eb040 [2020-09-25 05:31:23,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:31:23,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:31:23,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:31:23,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:31:23,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:31:23,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:31:23" (1/1) ... [2020-09-25 05:31:23,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e5b57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:23, skipping insertion in model container [2020-09-25 05:31:23,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:31:23" (1/1) ... [2020-09-25 05:31:23,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:31:23,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:31:24,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:31:24,290 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:31:24,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:31:24,531 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:31:24,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24 WrapperNode [2020-09-25 05:31:24,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:31:24,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:31:24,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:31:24,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:31:24,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... [2020-09-25 05:31:24,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:31:24,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:31:24,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:31:24,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:31:24,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:31:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 05:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 05:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 05:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 05:31:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 05:31:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:31:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:31:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 05:31:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 05:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 05:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 05:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 05:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 05:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 05:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 05:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 05:31:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 05:31:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 05:31:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 05:31:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 05:31:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 05:31:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 05:31:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 05:31:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 05:31:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 05:31:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 05:31:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 05:31:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 05:31:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 05:31:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 05:31:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:31:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 05:31:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 05:31:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 05:31:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 05:31:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 05:31:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 05:31:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 05:31:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 05:31:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 05:31:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 05:31:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 05:31:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 05:31:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 05:31:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 05:31:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 05:31:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 05:31:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 05:31:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 05:31:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 05:31:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 05:31:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 05:31:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 05:31:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 05:31:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 05:31:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 05:31:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 05:31:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 05:31:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 05:31:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 05:31:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 05:31:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 05:31:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 05:31:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 05:31:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 05:31:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 05:31:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 05:31:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 05:31:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:31:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 05:31:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 05:31:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 05:31:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 05:31:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:31:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:31:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:31:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:31:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:31:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:31:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:31:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:31:25,282 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:31:25,283 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:31:25,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:31:25 BoogieIcfgContainer [2020-09-25 05:31:25,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:31:25,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:31:25,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:31:25,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:31:25,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:31:23" (1/3) ... [2020-09-25 05:31:25,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8861df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:31:25, skipping insertion in model container [2020-09-25 05:31:25,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:31:24" (2/3) ... [2020-09-25 05:31:25,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8861df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:31:25, skipping insertion in model container [2020-09-25 05:31:25,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:31:25" (3/3) ... [2020-09-25 05:31:25,310 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 05:31:25,322 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:31:25,332 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:31:25,354 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:31:25,387 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:31:25,387 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:31:25,387 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:31:25,387 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:31:25,387 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:31:25,388 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:31:25,388 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:31:25,388 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:31:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 05:31:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 05:31:25,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:25,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:25,421 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:25,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:25,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 05:31:25,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:25,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261500388] [2020-09-25 05:31:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:25,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 05:31:25,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-09-25 05:31:25,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:25,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:25,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:31:25,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 05:31:25,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:31:25,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:31:26,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:26,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:26,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:31:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:26,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:31:26,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261500388] [2020-09-25 05:31:26,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:31:26,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:31:26,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873436634] [2020-09-25 05:31:26,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:31:26,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:26,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:31:26,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:31:26,185 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 05:31:26,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:26,618 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 05:31:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:31:26,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 05:31:26,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:26,635 INFO L225 Difference]: With dead ends: 126 [2020-09-25 05:31:26,635 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 05:31:26,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-09-25 05:31:26,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 05:31:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 05:31:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 05:31:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 05:31:26,704 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 05:31:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:26,704 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 05:31:26,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:31:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 05:31:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 05:31:26,708 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:26,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:26,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:31:26,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:26,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 05:31:26,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:26,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880653158] [2020-09-25 05:31:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:26,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:27,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:30,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:30,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 05:31:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:31:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4208 [2020-09-25 05:31:30,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:30,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:31:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 05:31:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 05:31:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:31:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:31,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:31:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:31,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:31,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:31,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:31,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:31,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 05:31:31,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:31,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:31:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:31:31,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:31,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:31,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:31,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 05:31:31,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:31,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:31:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:31:31,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:31,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:31,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:31,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:31,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 05:31:31,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:31,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:31:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:31,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:31,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:31,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:31,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:31,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:31:31,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:31,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:31,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:31,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 05:31:31,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880653158] [2020-09-25 05:31:31,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:31:31,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 05:31:31,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885187060] [2020-09-25 05:31:31,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:31:31,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:31,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:31:31,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:31:31,385 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2020-09-25 05:31:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:31,751 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2020-09-25 05:31:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:31:31,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-25 05:31:31,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:31,754 INFO L225 Difference]: With dead ends: 100 [2020-09-25 05:31:31,754 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 05:31:31,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:31:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 05:31:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-09-25 05:31:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 05:31:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2020-09-25 05:31:31,769 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 61 [2020-09-25 05:31:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:31,770 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2020-09-25 05:31:31,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:31:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2020-09-25 05:31:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 05:31:31,772 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:31,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:31,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:31:31,773 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:31,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:31,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1531514875, now seen corresponding path program 1 times [2020-09-25 05:31:31,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:31,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692386003] [2020-09-25 05:31:31,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:31,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:32,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:32,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 05:31:32,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:31:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1167 [2020-09-25 05:31:32,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:32,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 05:31:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:31:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:31:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:33,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:33,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:33,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:33,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:31:33,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:33,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:33,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:31:33,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:33,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:33,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:33,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:33,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 05:31:33,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:33,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:33,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:33,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:31:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:33,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:33,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:33,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:33,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:33,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:33,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:33,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:31:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:33,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:31:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:33,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:33,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:33,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:33,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:33,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 05:31:33,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692386003] [2020-09-25 05:31:33,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:31:33,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:31:33,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457175121] [2020-09-25 05:31:33,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:31:33,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:33,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:31:33,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:31:33,324 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 8 states. [2020-09-25 05:31:33,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:33,888 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2020-09-25 05:31:33,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:31:33,888 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 05:31:33,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:33,890 INFO L225 Difference]: With dead ends: 107 [2020-09-25 05:31:33,890 INFO L226 Difference]: Without dead ends: 94 [2020-09-25 05:31:33,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 05:31:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-25 05:31:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 87. [2020-09-25 05:31:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 05:31:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-09-25 05:31:33,906 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 61 [2020-09-25 05:31:33,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:33,906 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-09-25 05:31:33,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:31:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-09-25 05:31:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 05:31:33,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:33,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:33,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:31:33,910 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:33,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:33,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1057583997, now seen corresponding path program 1 times [2020-09-25 05:31:33,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:33,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495991996] [2020-09-25 05:31:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:33,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:34,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:34,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 05:31:38,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:31:38,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4746 [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:31:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:38,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:31:38,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:38,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:38,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:38,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:38,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:31:38,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:38,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:38,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:38,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:38,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:38,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:38,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 05:31:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:31:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:31:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:38,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:38,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:38,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:38,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:31:38,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:38,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:31:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:31:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 05:31:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:39,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:39,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:39,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:31:39,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:31:39,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:39,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:31:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:39,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 05:31:39,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495991996] [2020-09-25 05:31:39,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:31:39,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:31:39,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16902176] [2020-09-25 05:31:39,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:31:39,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:31:39,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:31:39,059 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 10 states. [2020-09-25 05:31:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:39,471 INFO L93 Difference]: Finished difference Result 131 states and 145 transitions. [2020-09-25 05:31:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:31:39,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-25 05:31:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:39,473 INFO L225 Difference]: With dead ends: 131 [2020-09-25 05:31:39,473 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 05:31:39,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-09-25 05:31:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 05:31:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 05:31:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 05:31:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2020-09-25 05:31:39,497 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 70 [2020-09-25 05:31:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:39,503 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2020-09-25 05:31:39,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:31:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2020-09-25 05:31:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 05:31:39,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:39,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:39,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:31:39,505 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:39,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:39,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2098824736, now seen corresponding path program 1 times [2020-09-25 05:31:39,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:39,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841256563] [2020-09-25 05:31:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:39,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:40,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:40,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 05:31:40,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:31:40,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-09-25 05:31:40,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:40,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 05:31:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:31:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 05:31:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:40,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:40,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:31:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:40,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:40,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:40,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:31:40,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:31:40,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:31:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:41,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:31:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:41,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:41,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:41,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:41,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:41,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:41,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:41,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:41,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:41,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:41,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:41,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:41,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:41,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:31:41,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:41,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:31:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:41,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:41,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:41,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:41,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:41,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:31:41,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 05:31:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:41,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:41,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:31:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 05:31:41,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:41,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:31:41,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:31:41,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:31:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 05:31:41,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841256563] [2020-09-25 05:31:41,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:31:41,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 05:31:41,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621666293] [2020-09-25 05:31:41,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:31:41,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:41,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:31:41,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:31:41,238 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 9 states. [2020-09-25 05:31:41,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:41,841 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2020-09-25 05:31:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:31:41,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 05:31:41,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:41,843 INFO L225 Difference]: With dead ends: 94 [2020-09-25 05:31:41,843 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 05:31:41,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 05:31:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 05:31:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-09-25 05:31:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 05:31:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 05:31:41,863 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 70 [2020-09-25 05:31:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:41,863 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 05:31:41,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:31:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 05:31:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 05:31:41,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:41,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:41,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:31:41,867 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:41,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:41,868 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 05:31:41,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:41,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371124596] [2020-09-25 05:31:41,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:42,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 05:31:42,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-09-25 05:31:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:42,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 05:31:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 05:31:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 05:31:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:42,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:42,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:42,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:42,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:42,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:31:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:42,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:42,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:42,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:42,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:42,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:42,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 05:31:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:42,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:31:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:31:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:42,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:42,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:42,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:42,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:31:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:42,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:43,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 05:31:43,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:43,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 05:31:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:31:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:31:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:43,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:43,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:43,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:43,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 05:31:43,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:43,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:31:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:31:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 05:31:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:43,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 05:31:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:43,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:43,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:31:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:31:43,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:43,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:31:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:31:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:31:43,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371124596] [2020-09-25 05:31:43,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:31:43,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 05:31:43,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286327167] [2020-09-25 05:31:43,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 05:31:43,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:43,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 05:31:43,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 05:31:43,377 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 05:31:44,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:44,691 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 05:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 05:31:44,692 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 05:31:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:44,694 INFO L225 Difference]: With dead ends: 97 [2020-09-25 05:31:44,694 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 05:31:44,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 05:31:44,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 05:31:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 05:31:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 05:31:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 05:31:44,716 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 05:31:44,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:44,716 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 05:31:44,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 05:31:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 05:31:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 05:31:44,721 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:44,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:44,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:31:44,721 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:44,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:44,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 05:31:44,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:44,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710283048] [2020-09-25 05:31:44,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:44,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:45,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 05:31:47,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:31:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2545 [2020-09-25 05:31:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:31:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-25 05:31:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:31:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:47,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:31:47,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:47,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:31:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:47,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:47,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:31:47,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:31:47,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:47,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:31:47,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:47,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 05:31:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:31:47,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:31:47,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 05:31:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:31:47,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:31:47,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:47,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:47,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 05:31:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:47,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:47,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:47,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:31:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:31:47,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:47,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:31:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:31:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 05:31:47,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710283048] [2020-09-25 05:31:47,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:31:47,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 05:31:47,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208288624] [2020-09-25 05:31:47,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:31:47,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:47,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:31:47,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:31:47,587 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 10 states. [2020-09-25 05:31:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:48,123 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2020-09-25 05:31:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:31:48,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 05:31:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:48,125 INFO L225 Difference]: With dead ends: 88 [2020-09-25 05:31:48,125 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 05:31:48,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-09-25 05:31:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 05:31:48,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 05:31:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 05:31:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 05:31:48,141 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 05:31:48,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:48,141 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 05:31:48,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:31:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 05:31:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 05:31:48,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:31:48,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:31:48,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 05:31:48,149 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:31:48,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:31:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 05:31:48,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:31:48,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026447881] [2020-09-25 05:31:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:31:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:48,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:48,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:51,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:52,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 05:31:53,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:31:53,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:31:53,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 05:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:31:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:31:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:31:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:31:53,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:31:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:31:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:53,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:31:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:31:53,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:31:53,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:31:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:31:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:31:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 05:31:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:31:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:31:53,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:31:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 05:31:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:31:53,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:31:53,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:31:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:31:53,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 05:31:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:31:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:31:53,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:31:53,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:31:53,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:31:53,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:31:53,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:31:53,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:31:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:31:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:31:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:31:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:31:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 05:31:53,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026447881] [2020-09-25 05:31:53,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:31:53,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 05:31:53,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811041736] [2020-09-25 05:31:53,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:31:53,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:31:53,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:31:53,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:31:53,583 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 10 states. [2020-09-25 05:31:54,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:31:54,315 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-09-25 05:31:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 05:31:54,316 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2020-09-25 05:31:54,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:31:54,317 INFO L225 Difference]: With dead ends: 83 [2020-09-25 05:31:54,317 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:31:54,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:31:54,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:31:54,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:31:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:31:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:31:54,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 05:31:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:31:54,318 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:31:54,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:31:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:31:54,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:31:54,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 05:31:54,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:31:54,808 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 13 [2020-09-25 05:31:55,461 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 05:31:55,462 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= my_malloc_~size 8)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 05:31:55,462 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 05:31:55,462 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 05:31:55,462 INFO L264 CegarLoopResult]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 05:31:55,463 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= |old(#length)| |#length|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 05:31:55,463 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 05:31:55,464 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 05:31:55,465 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) [2020-09-25 05:31:55,465 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (or (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2020-09-25 05:31:55,465 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 05:31:55,465 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 05:31:55,465 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 05:31:55,465 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 05:31:55,466 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 05:31:55,467 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 05:31:55,467 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 05:31:55,467 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 05:31:55,467 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:31:55,467 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~elem~0.base ~elem~0.offset) (= ~elem~0.base 0) (< ~elem~0.offset (+ ~elem~0.base 1))) [2020-09-25 05:31:55,467 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 05:31:55,467 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:31:55,467 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 05:31:55,467 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 05:31:55,468 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.base ~elem~0.offset))) [2020-09-25 05:31:55,468 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 05:31:55,468 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (let ((.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) .cse0 (= ~elem~0.base ~elem~0.offset)))) [2020-09-25 05:31:55,468 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (or (not (= main_~dev1~0.offset 0)) (not (= main_~dev1~0.base 0))) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 05:31:55,468 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 05:31:55,469 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (let ((.cse1 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 .cse1 (not (= main_~dev1~0.offset ~elem~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and .cse1 .cse0 (= ~elem~0.offset 0) (not (= main_~dev1~0.base 0)) (= |old(~elem~0.base)| ~elem~0.base)))) [2020-09-25 05:31:55,469 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 05:31:55,469 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 05:31:55,469 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 05:31:55,469 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L264 CegarLoopResult]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 05:31:55,470 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 05:31:55,471 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 05:31:55,472 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 05:31:55,472 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 05:31:55,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:31:55 BoogieIcfgContainer [2020-09-25 05:31:55,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 05:31:55,481 INFO L168 Benchmark]: Toolchain (without parser) took 31599.39 ms. Allocated memory was 145.2 MB in the beginning and 466.1 MB in the end (delta: 320.9 MB). Free memory was 100.4 MB in the beginning and 343.8 MB in the end (delta: -243.4 MB). Peak memory consumption was 314.0 MB. Max. memory is 7.1 GB. [2020-09-25 05:31:55,482 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 05:31:55,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.53 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 99.7 MB in the beginning and 168.4 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-25 05:31:55,484 INFO L168 Benchmark]: Boogie Preprocessor took 61.55 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 165.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:31:55,484 INFO L168 Benchmark]: RCFGBuilder took 700.96 ms. Allocated memory is still 202.9 MB. Free memory was 165.6 MB in the beginning and 118.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:31:55,486 INFO L168 Benchmark]: TraceAbstraction took 30182.58 ms. Allocated memory was 202.9 MB in the beginning and 466.1 MB in the end (delta: 263.2 MB). Free memory was 118.2 MB in the beginning and 343.8 MB in the end (delta: -225.6 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. [2020-09-25 05:31:55,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.53 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 99.7 MB in the beginning and 168.4 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.55 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 165.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 700.96 ms. Allocated memory is still 202.9 MB. Free memory was 165.6 MB in the beginning and 118.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30182.58 ms. Allocated memory was 202.9 MB in the beginning and 466.1 MB in the end (delta: 263.2 MB). Free memory was 118.2 MB in the beginning and 343.8 MB in the end (delta: -225.6 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.9s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 469 SDtfs, 702 SDslu, 1234 SDs, 0 SdLazy, 2693 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 70 PreInvPairs, 80 NumberOfFragments, 429 HoareAnnotationTreeSize, 70 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1449 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 129068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 130/152 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...